WO2016158116A1 - デミスタユニット及びｅｇｒシステム - Google Patents

デミスタユニット及びｅｇｒシステム Download PDF

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Publication number
WO2016158116A1
WO2016158116A1 PCT/JP2016/055688 JP2016055688W WO2016158116A1 WO 2016158116 A1 WO2016158116 A1 WO 2016158116A1 JP 2016055688 W JP2016055688 W JP 2016055688W WO 2016158116 A1 WO2016158116 A1 WO 2016158116A1
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WO
WIPO (PCT)
Prior art keywords
exhaust gas
baffle plate
receiving member
casing
receiving
Prior art date
Application number
PCT/JP2016/055688
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
村田　聡
哲司 上田
平岡　直大
和久 伊藤
中川　貴裕
啓道 大場
Original Assignee
三菱重工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱重工業株式会社 filed Critical 三菱重工業株式会社
Priority to KR1020177027245A priority Critical patent/KR101991604B1/ko
Priority to CN201680019611.8A priority patent/CN107530609B/zh
Publication of WO2016158116A1 publication Critical patent/WO2016158116A1/ja

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
    • B01D45/08—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/35—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with means for cleaning or treating the recirculated gases, e.g. catalysts, condensate traps, particle filters or heaters

Definitions

  • the present invention relates to a demister unit that removes mist from exhaust gas, and an EGR system to which the demister unit is applied.
  • Patent Document 1 Since the exhaust gas discharged from the boiler via the wet exhaust gas treatment device contains mist, it is necessary to remove the mist contained in the exhaust gas.
  • a demister and a mist eliminator as what removes mist contained in exhaust gas, for example, it is indicated in the following patent documents 1.
  • the wet exhaust gas treatment apparatus described in Patent Document 1 introduces exhaust gas from a boiler into a dust removal tower through an inlet flue, and after removing dust in the exhaust gas, the exhaust gas passes through the dust removal tower demister. It removes mist in the exhaust gas.
  • exhaust gas recirculation is available to reduce NOx in exhaust gas.
  • This EGR returns a part of the exhaust gas discharged from the combustion chamber of the internal combustion engine to the combustion chamber as a combustion gas. Therefore, the combustion gas has a reduced oxygen concentration, and the combustion temperature is lowered by delaying the combustion speed, which is a reaction between the fuel and oxygen, and the amount of NOx generated can be reduced.
  • Some demisters remove the mist contained in the exhaust gas by colliding the exhaust gas introduced from the entrance with the baffle plate. At this time, after the mist is removed by colliding with the baffle plate, the exhaust gas passes below the baffle plate. On the other hand, the mist contained in the exhaust gas becomes liquid droplets by colliding with the baffle plate, and falls down through the baffle plate. Therefore, when the exhaust gas from which the mist has been removed passes below the baffle plate, the exhaust gas entrains droplets that fall through the baffle plate, and the exhaust gas takes in the mist again, increasing the amount of mist contained There is a problem of end up.
  • the present invention solves the above-described problems, and an object of the present invention is to provide a demister unit and an EGR system that improve the efficiency of mist removal by suppressing reuptake of the mist removed from the fluid into the fluid.
  • a demister unit includes a casing having a hollow shape and having a fluid inlet portion and an outlet portion, and a bent flow by being disposed opposite to the inlet portion in the casing.
  • a baffle plate that forms a path
  • a demister body that is disposed downstream of the bent flow path in the flow direction of the fluid in the casing and removes mist from the fluid, and a fluid collides with the baffle plate
  • a receiving member that receives the droplet.
  • the fluid introduced into the casing from the inlet portion collides with the baffle plate, and the contained mist forms droplets and adheres to the baffle plate.
  • the liquid droplets adhering to the baffle plate flow down the flat part of the baffle plate by their own weight and are received by the receiving member.
  • the fluid from which a part of the mist is removed flows through the bent flow path, so that the mist is further removed by the centrifugal force, and finally the remaining mist is removed by the demister body.
  • the droplet generated by the collision of the fluid with the baffle plate flows down the flat portion of the baffle plate due to its own weight and is received by the receiving member, so that the fluid flowing through the bent channel again mists the droplet.
  • the mist removal efficiency can be improved by suppressing the re-uptake of the mist removed from the fluid into the fluid.
  • the demister unit according to the present invention is characterized in that the receiving member is a receiving flow path along a horizontal direction of the baffle plate.
  • the liquid droplets adhering to the baffle plate flow down the flat part of the baffle plate by its own weight and are received by the receiving flow path, and the received liquid droplets flow through the receiving flow path and can be collected at a predetermined location. it can.
  • the receiving flow path includes a bottom portion and a side portion provided along the flow direction of the droplet.
  • the receiving flow path is provided to be inclined downward toward the inner wall surface of the casing.
  • the receiving flow path is inclined downward toward the inner wall surface of the casing, the received liquid droplet can be appropriately flowed and discharged to the inner wall surface side of the casing through the receiving flow path.
  • the demister unit according to the present invention is characterized in that the receiving member is provided in a flat portion facing the inlet portion of the baffle plate.
  • the receiving member on the flat portion facing the entrance portion of the baffle plate, it is possible to appropriately receive the droplet generated by colliding with the flat portion of the baffle plate by the receiving member.
  • the demister unit according to the present invention is characterized in that the receiving member is provided at a lower portion of the baffle plate in the vertical direction.
  • the receiving member at the lower portion of the baffle plate in the vertical direction, the droplet generated by colliding with the flat portion of the baffle plate can be effectively received by the receiving member at the lower portion of the baffle plate.
  • the demister unit of the present invention is characterized in that a plurality of the receiving members are provided in parallel in the vertical direction.
  • the demister unit according to the present invention is characterized in that a drainage member is provided for allowing the droplet received by the receiving member to flow into a storage portion at the lower part of the casing.
  • the liquid droplets adhering to the baffle plate flow down the flat part of the baffle plate by its own weight and are received by the receiving member, and the liquid droplets received by the receiving member flow into the storage unit by the drainage member. Can be appropriately drained to prevent contact with the fluid flowing through the bending member.
  • the drainage channel is provided between an end of the receiving member and an inner wall surface of the casing.
  • the demister unit according to the present invention is characterized in that the drainage flow path is a piping part communicating from the water collecting part of the receiving member to the storage part.
  • the drainage channel a piping unit that communicates from the water collecting unit of the receiving member to the storage unit, the generated droplets are caused to flow to the storage unit by the piping unit, and the generated droplets and the bent channel are connected to each other. Contact with the flowing fluid can be prevented.
  • the EGR system of the present invention includes an exhaust gas recirculation line that recirculates a part of exhaust gas discharged from the engine as a part of combustion gas to the engine, and water for the exhaust gas flowing through the exhaust gas recirculation line.
  • the demister unit and the EGR system of the present invention it is possible to improve the mist removal efficiency by suppressing reuptake of the mist removed from the fluid into the fluid.
  • FIG. 1 is a schematic diagram showing a diesel engine equipped with an EGR system to which the demister unit of the first embodiment is applied.
  • FIG. 2 is a schematic configuration diagram illustrating the EGR system according to the first embodiment.
  • FIG. 3 is a longitudinal sectional view showing the demister unit of the first embodiment. 4 is a cross-sectional view taken along the line IV-IV in FIG. 3 showing a horizontal cross section of the demister unit.
  • FIG. 5 is a cross-sectional view taken along the line VV in FIG. 3 showing the inlet portion of the demister unit.
  • FIG. 6 is a cross-sectional view showing a receiving flow path.
  • FIG. 7A is a cross-sectional view illustrating a modified example of the receiving channel.
  • FIG. 7A is a cross-sectional view illustrating a modified example of the receiving channel.
  • FIG. 7-2 is a cross-sectional view illustrating a modified example of the receiving channel.
  • FIG. 7C is a cross-sectional view illustrating a modification of the receiving channel.
  • FIG. 7D is a cross-sectional view illustrating a modified example of the receiving channel.
  • FIG. 8 is a longitudinal sectional view showing a modification of the demister unit of the first embodiment.
  • FIG. 9 is a longitudinal sectional view showing a modification of the demister unit of the first embodiment.
  • FIG. 10 is a longitudinal sectional view showing an inlet portion of the demister unit of the second embodiment.
  • FIG. 11 is a cross-sectional view illustrating a receiving flow path.
  • FIG. 12 is a longitudinal sectional view illustrating a modification of the demister unit of the second embodiment.
  • FIG. 13 is a longitudinal sectional view showing an inlet portion of the demister unit of the third embodiment.
  • FIG. 14 is a longitudinal sectional view showing the demister unit of the fourth embodiment.
  • FIG. 15 is a longitudinal sectional view showing an inlet portion of the demister unit.
  • FIG. 1 is a schematic diagram showing a diesel engine equipped with an EGR system to which the demister unit of the first embodiment is applied
  • FIG. 2 is a schematic configuration diagram showing the EGR system of the first embodiment.
  • the marine diesel engine 10 includes an engine body 11, a supercharger 12, and an EGR system 13.
  • the engine body 11 is a propulsion engine (main engine) that drives and rotates the propeller for propulsion via a propeller shaft, although not shown.
  • This engine body 11 is a uniflow scavenging exhaust type diesel engine, which is a two-stroke diesel engine, in which the flow of intake and exhaust in the cylinder is unidirectional from the bottom to the top so as to eliminate the residual exhaust. It is.
  • the engine body 11 includes a plurality of cylinders (combustion chambers) 21 in which pistons move up and down, a scavenging trunk 22 that communicates with each cylinder 21, and an exhaust manifold 23 that communicates with each cylinder 21.
  • a scavenging port 24 is provided between each cylinder 21 and the scavenging trunk 22, and an exhaust passage 25 is provided between each cylinder 21 and the exhaust manifold 23.
  • the supply line G ⁇ b> 1 is connected to the scavenging trunk 22, and the exhaust line G ⁇ b> 2 is connected to the exhaust port 23.
  • the supercharger 12 is configured by connecting a compressor 31 and a turbine 32 so as to rotate integrally with a rotary shaft 33.
  • the turbine 32 is rotated by the exhaust gas discharged from the exhaust line G2 of the engine body 11, the rotation of the turbine 32 is transmitted by the rotary shaft 33, and the compressor 31 is rotated. / Or the recirculated gas is compressed and supplied to the engine body 11 from the supply air line G1.
  • the compressor 31 is connected to a suction line G6 that sucks air from the outside (atmosphere).
  • the supercharger 12 is connected to an exhaust line G3 that discharges exhaust gas that has rotated the turbine 32.
  • the exhaust line G3 is connected to a chimney (funnel) (not shown).
  • An EGR system 13 is provided between the exhaust line G3 and the air supply line G1.
  • the EGR system 13 includes exhaust gas recirculation lines G4, G5, and G7, a scrubber 42, a demister unit 14, and an EGR blower (blower) 47.
  • This EGR system 13 mixes a part of the exhaust gas discharged from the marine diesel engine 10 with air, and then compresses it by a supercharger and recirculates it to the marine diesel engine 10 as a combustion gas, so that NOx due to combustion is obtained. Is suppressed.
  • a part of the exhaust gas is extracted from the downstream side of the turbine 32, but a part of the exhaust gas may be extracted from the upstream side of the turbine 32.
  • the exhaust gas recirculation line G4 has one end connected to the middle part of the exhaust line G3.
  • the exhaust gas recirculation line G4 is provided with an EGR inlet valve (open / close valve) 41A, and the other end is connected to the scrubber 42.
  • the EGR inlet valve 41A opens and closes the exhaust gas recirculation line G4 to turn ON / OFF the exhaust gas that is diverted from the exhaust line G3 to the exhaust gas recirculation line G4.
  • the EGR inlet valve may be a flow rate adjustment valve to adjust the flow rate of exhaust gas passing through the exhaust gas recirculation line G4.
  • the scrubber 42 is a venturi-type scrubber, and includes a hollow throat portion 43, a venturi portion 44 into which exhaust gas is introduced, and an enlarged portion 45 that gradually returns to the original flow velocity.
  • the scrubber 42 includes a water injection unit 46 that injects water to the exhaust gas introduced into the venturi unit 44.
  • the scrubber 42 is connected to an exhaust gas recirculation line G5 for discharging exhaust gas from which harmful substances such as particulate matter (PM) such as SOx and dust are removed and waste water containing the harmful substances.
  • the venturi type is employ
  • the exhaust gas recirculation line G5 is provided with a demister unit 14 and an EGR blower 47.
  • the demister unit 14 separates exhaust gas from which harmful substances have been removed by water jet and waste water.
  • the demister unit 14 is provided with a drainage circulation line W ⁇ b> 1 that circulates drainage to the water injection unit 46 of the scrubber 42.
  • the drainage circulation line W1 is provided with a hold tank 49 and a pump 50 for temporarily storing drainage.
  • the EGR blower 47 guides the exhaust gas in the scrubber 42 from the exhaust gas recirculation line G5 to the demister unit 14.
  • the exhaust gas recirculation line G7 has one end connected to the EGR blower 47 and the other end connected to the compressor 31 via a mixer (not shown).
  • the exhaust gas is sent to the compressor 31 by the EGR blower 47.
  • the exhaust gas recirculation line G7 is provided with an EGR outlet valve (open / close valve or flow rate adjusting valve) 41B. Air from the suction line G6 and exhaust gas (recirculation gas) from the exhaust gas recirculation line G7 are mixed in a mixer to generate combustion gas.
  • This mixer may be provided separately from the silencer, or the silencer may be configured to add a function of mixing exhaust gas and air without separately providing a mixer.
  • the supercharger 12 can supply the combustion gas compressed by the compressor 31 from the supply line G1 to the engine main body 11, and an air cooler (cooler) 48 is provided in the supply line G1.
  • the air cooler 48 cools the combustion gas by exchanging heat between the combustion gas compressed by the compressor 31 and having a high temperature and the cooling water.
  • the demister unit 14 described above includes a casing 51, a baffle plate 52, a porous plate 53, a demister support plate 54, a demister main body 55, and a receiving member 56. Yes.
  • the casing 51 has a hollow rectangular shape and is configured as a container that forms an internal space. That is, the casing 51 is formed in a box shape by the ceiling 51a, the left and right side walls 51b and 51c, the bottom 51d, the upstream side wall 51e, and the downstream side wall 51f.
  • the casing 51 is formed with an inlet 61 into which exhaust gas and drainage are introduced on the upper side of one end (right end in FIG. 3), and on the upper side on the other end (left end in FIG. 3) side.
  • An outlet 62 for discharging exhaust gas (fluid) is formed.
  • the casing 51 is provided on the exhaust gas recirculation line G5.
  • the baffle plate 52 is disposed along the vertical direction in the casing 51 so as to face the inlet portion 61, thereby forming an upstream flow path 63 as a bent flow path.
  • the baffle plate 52 is formed of a flat plate through which exhaust gas and liquid droplets cannot pass, and the upper end portion is fixed in close contact with the ceiling portion 51a of the casing 51, and the left and right side portions are the left and right side wall portions of the casing 51.
  • 51b and 51c are closely_contact
  • the distance from the inlet 61 in the casing 51 to the flat portion 52a of the baffle plate 52 is set to be equal to or smaller than the inner diameter of the inlet 61. Therefore, the exhaust gas introduced into the casing 51 from the inlet 61 flows into the upstream flow path 63 after colliding with the baffle plate. That is, the exhaust gas introduced into the casing 51 from the inlet portion 61 flows downward in the vertical direction by the baffle plate, and then bends and flows in the horizontal direction. Further, the flow path area below the baffle plate 52 is set to be larger than the flow path area when introduced into the casing 51 from the inlet 61. Therefore, when the exhaust gas introduced into the casing 51 from the inlet portion 61 flows below the baffle plate 52, it is not accelerated again.
  • the perforated plate 53 is fixed horizontally in the lower part in the casing 51.
  • the perforated plate 53 is formed of a flat plate in which a large number of through holes (not shown) are formed so that exhaust gas and droplets can pass through.
  • the perforated plate 53 is horizontally arranged at a position above the bottom 51d of the casing 51 by a predetermined height, and the outer peripheral portion is fixed in close contact with the side wall portions 51b and 51c and the front and rear wall portions 51e and 51f of the casing 51.
  • a reservoir 64 is formed between the perforated plate 53 and the bottom 51d.
  • the storage part 64 is provided with the drain flow path 64a in the lower part.
  • the demister support plate 54 is disposed horizontally at the outlet 62 from the baffle plate 52 and above the perforated plate 53 by a predetermined height.
  • the demister support plate 54 is formed of a flat plate through which exhaust gas and droplets cannot pass, one end of which is closely attached to the rear wall portion 51f of the casing 51, and the left and right sides are the left and right sides of the casing 51.
  • the side wall portions 51b and 51c are fixed in close contact with each other, the other end portion is separated from the baffle plate 52 by a predetermined distance, and the upstream flow path 63 is provided here.
  • the lower end of the baffle plate 52 is located below the lower surface of the demister support plate 54 in the vertical direction.
  • the demister body 55 is disposed in the casing 51 on the downstream side in the flow direction of the exhaust gas from the upstream channel 63 to remove mist from the exhaust gas.
  • the demister main body 55 is provided with a flow path bent a plurality of times so that exhaust gas can pass inside, and is configured as a plate-like body as a whole along the vertical direction.
  • the demister main body 55 is installed on the other end of the demister support plate 54, the upper end is in close contact with the ceiling 51 a of the casing 51, and the left and right sides are in close contact with the left and right side walls 51 b and 51 c of the casing 51. is doing.
  • the demister body 55 is disposed so as to face the baffle plate 52, and the upstream side of the demister body 55 is an upstream channel 63, and the downstream side of the demister body 55 is a downstream channel 65. That is, the upstream flow path 63 is configured to be separated by the front wall portion 51e of the casing 51, the side wall portions 51b and 51c, the baffle plate 52, the porous plate 53, and the lower surface of the demister support plate 54.
  • the side wall portions 51b and 51c of the casing 51, the rear wall portion 51f and the upper surface of the demister support plate 54 are separated. Therefore, the exhaust gas introduced into the casing 51 from the inlet portion 61 reaches the demister body 55 through the upstream channel 63, passes through the demister body 55, and then passes through the downstream channel 65 from the outlet portion 62. Discharged.
  • the receiving member 56 receives droplets generated when the exhaust gas introduced into the casing 51 from the inlet 61 collides with the baffle plate 52.
  • the receiving member 56 is provided on the flat surface portion 52 a facing the inlet portion 61 in the baffle plate 52.
  • the receiving member 56 is provided on the flat portion 52 a of the baffle plate 52 so as to be positioned below the inlet portion 61 in the vertical direction.
  • the receiving member 56 is provided on the flat surface portion 52a of the baffle plate 52 along the left-right direction, and includes two receiving member main bodies 66 and 67.
  • the receiving member main body 66 extends from an intermediate position in the horizontal direction of the flat portion 52a of the baffle plate 52 toward the one side wall portion 51b, and the receiving member main body 67 extends in the horizontal direction of the flat portion 52a of the baffle plate 52. Is extended from the intermediate position toward the other side wall 51c.
  • Each of the receiving member main bodies 66 and 67 is provided to be inclined downward toward the side wall portions 51 b and 51 c of the casing 51.
  • the receiving member 56 (receiving member main bodies 66 and 67) includes a bottom portion 68 and a side portion 69 provided along the flow direction of the liquid droplets.
  • the bottom portion 68 is fixed in close contact with each other so that one side portion is orthogonal to the flat portion 52 a of the baffle plate 52, and the side portion 69 is vertical so that the lower end portion is orthogonal to the other side portion of the bottom portion 68. It is closely attached and fixed.
  • the receiving member 56 (the receiving member main bodies 66 and 67) is a receiving member extending in the left-right direction in the baffle plate 52 by forming a U-shaped cross section by the flat portion 52a, the bottom portion 68, and the side portion 69 of the baffle plate 52.
  • a flow path 70 is formed.
  • the exhaust gas introduced into the casing 51 from the inlet portion 61 collides with the baffle plate 52 to generate liquid droplets, and the liquid droplets flow downward through the flat portion 52a of the baffle plate 52.
  • the receiving member 56 can receive the droplet in the receiving flow path 70.
  • drainage channels 71 and 72 are provided for flowing the droplets received by the receiving channel 70 of the receiving member 56 to the storage part 64 of the casing 51.
  • the receiving member main bodies 66 and 67 are extended from the center position in the left-right direction at the inlet portion 61 toward the left and right side wall portions 51b and 51c, and a gap is provided between the distal end portion and the left and right side wall portions 51b and 51c.
  • the drainage channels 71 and 72 are provided here. Therefore, the liquid droplets received by the receiving flow path 70 of the receiving member 56 flow downward in the inclination direction of the receiving flow path 70, and thus can flow from the drainage flow paths 71 and 72 to the storage portion 64.
  • a hanging plate 57 is provided below the demister body 55.
  • the hanging plate 57 is formed of a flat plate through which exhaust gas and droplets cannot pass, and its upper end is fixed in close contact with the lower surface of the demister support plate 54 so as to hang from the lower surface of the demister support plate 54.
  • the hanging plate 57 is arranged so that the flat portion thereof is flush with the end portion of the demister support plate 54 without any step.
  • the lower end of the hanging plate 57 is located at the same position as the lower end of the baffle plate 52 in the vertical direction or upward in the vertical direction. Therefore, the exhaust gas flowing through the upstream flow path 53 is guided from the lower region of the demister support plate 54 toward the upstream surface of the demister body 55 by the hanging plate 57.
  • the receiving member 56 (receiving member main bodies 66 and 67) has the receiving flow path 70 having a U-shaped cross section formed by the flat portion 52a, the bottom portion 68, and the side portion 69 of the baffle plate 52.
  • the present invention is not limited to this configuration.
  • 7A to 7D are cross-sectional views illustrating modifications of the receiving flow channel.
  • the receiving member 81 includes a bottom portion 82 provided along the flow direction of the droplet.
  • the bottom portion 82 is fixed in close contact with each other horizontally so that one side portion thereof is orthogonal to the flat portion 52a of the baffle plate 52. Therefore, in the receiving member 81, a receiving flow path 83 along the left-right direction of the baffle plate 52 is formed by the flat portion 52 a and the bottom portion 82 of the baffle plate 52.
  • the receiving member 84 is constituted by a bottom portion 85 provided along the flow direction of the droplet.
  • the bottom 85 has one side fixed to the flat surface 52a of the baffle plate 52 and the other end inclined upward from the horizontal, and the angle between the flat 52a and the upper surface of the bottom 85 is a predetermined angle ( (Acute angle). Therefore, in the receiving member 84, a receiving flow path 86 along the left-right direction of the baffle plate 52 is formed by the flat portion 52 a and the bottom portion 85 of the baffle plate 52.
  • the receiving member 87 is constituted by a curved bottom portion 88 provided along the flow direction of the droplet.
  • the curved bottom portion 88 is fixed in close contact so that one side thereof is orthogonal to the flat portion 52a of the baffle plate 52, and extends so that the other side is curved upward. Therefore, in the receiving member 87, a receiving flow path 89 along the left-right direction of the baffle plate 52 is formed by the flat portion 52 a and the curved bottom portion 88 of the baffle plate 52.
  • the receiving member 90 is constituted by a recess 91 provided along the flow direction of the droplet.
  • the recess 91 is formed by bending the baffle plate 52, and the recess 91 forms a receiving flow path 92 along the left-right direction of the baffle plate 52.
  • the receiving member 56 includes two receiving member main bodies 66 and 67, and the receiving member main bodies 66 and 67 are directed downward toward the side wall portions 51 b and 51 c of the casing 51. Although inclined, it is not limited to this configuration. 8 and 9 are longitudinal sectional views showing modifications of the demister unit of the first embodiment.
  • the receiving member 101 receives droplets generated by the exhaust gas introduced into the casing 51 from the inlet portion 61 colliding with the baffle plate 52.
  • the receiving member 101 is provided on a flat surface portion 52 a facing the inlet portion 61 in the baffle plate 52.
  • the receiving member 101 is provided on the flat surface portion 52 a of the baffle plate 52 so as to be positioned below the inlet portion 61 in the vertical direction.
  • the receiving member 101 is provided on the flat surface portion 52a of the baffle plate 52 along the left-right direction, extends from one side wall portion 51b of the casing 51 toward the other side wall portion 51c, and the other side wall portion 51c. It inclines below and is provided.
  • a drainage channel 102 is provided for flowing the droplet received by the receiving member 101 to the storage portion 64 of the casing 51.
  • One end of the receiving member 101 is in close contact with the side wall 51b of the casing 51, but a gap is provided between the other end and the side wall 51c, and the drainage channel 102 is provided here.
  • the receiving member 101 can receive this droplet. Further, since the liquid droplet received by the receiving member 101 flows downward in the inclination direction of the receiving member 101, it can flow from the drainage flow channel 102 to the storage portion 64.
  • the receiving member 111 receives droplets generated when the exhaust gas introduced into the casing 51 from the inlet 61 collides with the baffle plate 52.
  • the receiving member 111 is provided on the flat surface portion 52 a facing the inlet portion 61 in the baffle plate 52.
  • the receiving member 111 is provided on the flat surface portion 52 a of the baffle plate 52 so as to be positioned below the inlet portion 61 in the vertical direction.
  • the receiving member 111 includes three receiving member main bodies 112, 113, and 114, and is provided on the flat portion 52 a of the baffle plate 52 along the left-right direction.
  • Each of the receiving member main bodies 112, 113, 114 is arranged in the left-right direction (horizontal direction) of the baffle plate 52 and at a predetermined interval in the vertical direction, and a part thereof overlaps in the vertical direction.
  • Each receiving member main body 112, 113, 114 is provided to be inclined downward from one side wall 51 b of the casing 51 toward the other side wall 51 c.
  • a drainage channel 115 is provided for flowing the droplet received by the receiving member 111 to the storage portion 64 of the casing 51.
  • one end of the receiving member main body 112 is in close contact with the side wall 51b of the casing 51, but a gap is provided between the other end of the receiving member main body 114 and the side wall 51c.
  • a drainage channel 115 is provided here.
  • the receiving member 111 can receive the droplet. That is, the liquid droplets that flow down along the flat surface portion 52 a of the baffle plate 52 are received by the receiving member main bodies 112, 113, 114 and flow in order, and can flow from the drainage flow path 115 to the storage portion 64.
  • combustion air is supplied from the scavenging trunk 22 into the cylinder 21, the combustion air is compressed by the piston, and fuel is injected into the high-temperature air to spontaneously ignite and burn the engine body 11. To do.
  • the generated combustion gas is discharged as exhaust gas from the exhaust manifold 23 to the exhaust line G2.
  • the exhaust gas discharged from the engine body 11 is discharged to the exhaust line G3 after rotating the turbine 32 in the supercharger 12, and when the EGR inlet valve 41A is closed, the entire amount is discharged to the outside from the exhaust line G3. Is done.
  • the scrubber 42 removes harmful substances such as SOx and dust contained in the exhaust gas flowing into the exhaust gas recirculation line G4. That is, when the exhaust gas passes through the venturi unit 44 at a high speed, the scrubber 42 cools the exhaust gas with this water by injecting water from the water injection unit 46 and also removes particulates (PM) such as SOx and dust. Drop it together and remove it. And the water containing SOx, dust, etc. flows into the demister unit 14 with EGR gas.
  • PM particulates
  • the exhaust gas from which harmful substances have been removed by the scrubber 42 is discharged to the gas discharge line G5, and after the scrubber washing water is separated by the demister unit 14, it is sent to the supercharger 12 by the exhaust gas supply line G7.
  • the exhaust gas is mixed with the air sucked from the suction line G6 to become a combustion gas, compressed by the compressor 31 of the supercharger 12, and then cooled by the air cooler 48, from the air supply line G1 to the engine body 11. To be supplied.
  • the exhaust gas introduced into the casing 51 from the inlet portion 61 collides with the flat portion 52 a of the baffle plate 52 on the front, and thus along the flat portion 52 a of the baffle plate 52.
  • the mist that spreads out becomes droplets and adheres to the flat portion 52a of the baffle plate 52.
  • the droplets adhering to the flat surface portion 52 a of the baffle plate 52 flow down downward along the flat surface portion 52 a by their own weight and are received by the receiving member 56.
  • the liquid droplets received by the receiving member 56 are collected in the receiving flow path 70 and flow toward the side surfaces 51b and 51c of the casing 51 due to the inclination of the receiving member main bodies 66 and 67. And the droplet which flowed to each side part 51b, 51c of the casing 51 is drained by the storage part 64 through each drainage flow path 71,72, and is discharged
  • the exhaust gas from which a part of the mist has been removed becomes a downward flow by the flat surface portion 52a of the baffle plate 52 and the ceiling portion 51a, the side wall portions 51b and 51b, and the front wall portion 51e of the casing 51, Flows in.
  • the exhaust gas that has flowed into the upstream flow path 63 becomes a horizontal flow by the perforated plate 53 and flows upward by the hanging plate 57 and reaches the demister body 55.
  • the exhaust gas flowing through the upstream channel 63 passes below the baffle plate 52, but the droplets adhering to the baffle plate 52 are received by the receiving member 56 and drainage channels 71, 72.
  • the water Since the water is drained to the storage portion 64, it does not fall into the upstream flow path 63. For this reason, the exhaust gas flowing through the upstream flow path 63 is suppressed from contacting with water, but the re-uptake of the mist removed from the exhaust gas into the exhaust gas is suppressed. Further, the exhaust gas flows through the bent upstream flow path 63, so that mist is removed by centrifugal force. Further, when the exhaust gas passes through the demister main body 55, the remaining mist aggregates into droplets and falls into the storage portion 64. Thereafter, the exhaust gas from which the mist has been removed is discharged from the outlet 62 through the downstream flow path 65.
  • the casing 51 having a hollow shape and having the exhaust gas inlet portion 61 and the outlet portion 62 is disposed opposite to the inlet portion 61 in the casing 51.
  • a receiving member 56 is provided for receiving droplets generated by the collision of exhaust gas with 52.
  • the mist removal efficiency can be improved.
  • the receiving member 56 is provided with a receiving flow path 70 along the left-right direction of the baffle plate 52. Accordingly, the liquid droplets adhering to the baffle plate 52 flow down the flat portion 52a of the baffle plate 52 due to their own weight and are received by the receiving flow path 70. Can be collected in a place.
  • a bottom 68 and a side 69 are provided as the receiving flow path 56 along the flow direction of the droplet. Therefore, a large amount of liquid droplets can be properly received without overflowing from the receiving flow path 70.
  • the receiving flow path 70 is inclined downward toward the side wall portions 51 b and 51 c of the casing 51. Therefore, the received liquid droplet can be appropriately discharged and discharged to the side wall portions 51b and 51c of the casing 51 along the inclination direction of the receiving flow path 70.
  • the receiving member 56 is provided on the flat surface portion 52 a facing the inlet portion 61 in the baffle plate 52. Therefore, the droplet generated by colliding with the flat surface portion 52 a of the baffle plate 52 can be properly received by the receiving member 56.
  • drainage channels 71 and 72 are provided to allow the droplets received by the receiving channel 70 to flow to the storage part 64 at the bottom of the casing 51. Therefore, the droplets adhering to the baffle plate 52 flow down the flat portion 52a of the baffle plate 52 due to their own weight, and are received by the receiving channel 70, and the droplets received by the receiving channel 70 are the drain channels 71, 72 flows into the storage portion 64, and the contact with the exhaust gas flowing through the upstream flow path 63 by properly draining the droplets can be suppressed.
  • the drain channels 71 and 72 are provided between the end of the receiving channel 70 and the side walls 51b and 51c of the casing 51. Accordingly, by draining the droplets along the side wall portions 51b and 51c of the casing 51, the contact between the generated droplets and the exhaust gas flowing through the upstream channel 63 can be suppressed, and the structure is simplified. can do.
  • the exhaust gas recirculation line G4 that recirculates a part of the exhaust gas discharged from the engine body 11 as a part of the combustion gas to the engine body, and the exhaust gas recirculation line.
  • a scrubber 42 that removes harmful substances by injecting water into the exhaust gas flowing through G4 and a demister unit 14 into which the exhaust gas discharged from the scrubber 42 is introduced are provided.
  • the droplet generated by the exhaust gas colliding with the baffle plate 52 in the demister unit 14 flows down the flat portion 52a of the baffle plate 52 by its own weight and is received by the receiving member 56.
  • the exhaust gas flowing through the path 63 does not take in the droplets again as mist, and the mist removed from the exhaust gas is prevented from being taken into the exhaust gas again. As a result, the mist removal efficiency can be improved.
  • FIG. 10 is a longitudinal sectional view showing an inlet portion of the demister unit of the second embodiment
  • FIG. 11 is a sectional view showing a receiving flow path
  • FIG. 12 is a longitudinal section showing a modification of the demister unit of the second embodiment.
  • symbol is attached
  • the demister unit 120 includes a casing 51, a baffle plate 52, a perforated plate 53, a demister support plate 54, a demister body 55, and a plurality of receiving members 121. , 122. Since the casing 51, the baffle plate 52, the porous plate 53, the demister support plate 54, and the demister main body 55 have the same configuration as in the first embodiment, the description thereof is omitted.
  • the receiving passages 121 and 122 are provided in parallel (two in this embodiment) in parallel in the vertical direction.
  • Each of the receiving members 121 and 122 receives droplets generated by the exhaust gas introduced into the casing 51 from the inlet portion 61 colliding with the baffle plate 52.
  • the receiving members 121 and 122 are flat portions 52 a that face the inlet portion 61 in the baffle plate 52, and are provided below the inlet portion 61 in the vertical direction.
  • Each of the receiving members 121 and 122 has substantially the same configuration as the receiving member 56 (see FIG. 5) of the first embodiment, and is directed from the center position in the left-right direction at the inlet portion 61 toward the side wall portions 51b and 51c. It is comprised from the receiving member main body 123, 124, 125, 126 which extends and inclines below. As shown in FIG. 11, the receiving members 121 and 122 (receiving member main bodies 123, 124, 125, and 126) are composed of a bottom portion and a side portion that are provided along the flow direction of the liquid droplets. Receiving flow paths 127 and 128 along the left-right direction in 52 are formed.
  • the lower receiving member 122 is set to have a larger protruding amount from the flat portion 52 a of the baffle plate 52 than the upper receiving member 121. That is, the lower receiving member 122 protrudes more toward the inlet 61 than the upper receiving member 121. Further, as shown in FIG. 10, drainage channels 71 and 72 are provided for allowing the droplets received by the receiving channels 127 and 128 of the receiving members 121 and 122 to flow into the storage portion 64 of the casing 51.
  • the droplets flow down through the flat portion 52 a of the baffle plate 52.
  • the receiving members 121 and 122 can receive the liquid droplets in the receiving flow paths 127 and 128.
  • the drainage channels 71 and 72 enter the storage portion 64. It can flow.
  • the receiving members 121 and 122 are constituted by two receiving member main bodies 123, 124, 125, and 126, and the receiving member main bodies 123, 124, 125, and 126 are included in the casing 51. Although it shall incline below toward the side wall parts 51b and 51c, it is not limited to this structure.
  • a plurality (two in this embodiment) of receiving channels 131 and 132 are provided in parallel in the vertical direction.
  • Each of the receiving members 131 and 132 receives droplets generated by the exhaust gas introduced into the casing 51 from the inlet portion 61 colliding with the baffle plate 52.
  • the receiving members 131 and 132 are flat portions 52 a that face the inlet portion 61 in the baffle plate 52, and are provided below the inlet portion 61 in the vertical direction.
  • the receiving members 131 and 132 are provided on the flat surface portion 52a of the baffle plate 52 along the left-right direction, and extend from one side wall portion 51b to the other side wall portion 51c in the casing 51, and the other side wall Inclined downward toward the part 51c.
  • a drainage flow path 102 is provided for allowing the droplets received by the receiving members 131 and 132 to flow to the storage portion 64 of the casing 51.
  • the receiving members 131 and 132 can receive the liquid droplets. Then, since the droplets received by the receiving members 131 and 132 flow downward in the inclined direction, they can flow from the drainage flow path 102 to the storage portion 64.
  • the protruding amounts of the upper receiving members 121 and 131 and the lower receiving members 122 and 132 from the flat portion 52a of the baffle plate 52 may be the same, or the lower side.
  • the protruding amount of the receiving members 122 and 132 may be larger than the protruding amount of the upper receiving members 121 and 131.
  • the number of receiving members is not limited to two and may be three or more.
  • a plurality of receiving members 121 and 122 (131 and 132) for receiving droplets generated by the collision of the exhaust gas with the baffle plate 52 are provided in parallel in the vertical direction. ing.
  • the droplet generated by the exhaust gas colliding with the baffle plate 52 flows down the flat portion 52a of the baffle plate 52 by its own weight and is received by the receiving members 121, 122 (131, 132), the upstream side The exhaust gas flowing through the flow path 63 does not take in the droplets again as mist, and the re-uptake of the mist removed from the exhaust gas into the exhaust gas can be suppressed. As a result, the mist removal efficiency can be improved. Further, by providing a plurality of receiving members 121, 122 (131, 132) in parallel in the vertical direction, it is possible to reliably receive the droplets generated by the exhaust gas colliding with the flat portion 52a of the baffle plate 52. .
  • FIG. 13 is a longitudinal sectional view showing an inlet portion of the demister unit of the third embodiment.
  • symbol is attached
  • the demister unit 140 includes a casing 51, a baffle plate 52, a porous plate 53, a demister support plate 54, a demister body 55, and a receiving member 141. I have. Since the casing 51, the baffle plate 52, the porous plate 53, the demister support plate 54, and the demister main body 55 have the same configuration as in the first embodiment, the description thereof is omitted.
  • the receiving flow path 141 receives the droplets generated by the exhaust gas introduced into the casing 51 from the inlet portion 61 colliding with the baffle plate 52.
  • the receiving member 141 is a flat portion 52 a that faces the inlet portion 61 in the baffle plate 52, and is provided below the inlet portion 61 in the vertical direction.
  • Each receiving member 141 includes a plurality of receiving member main bodies 142 and 143 that are inclined so as to form a V shape. And the water collection part 144 is provided in the lower connection part of each receiving member main body 142,143. That is, each of the receiving member main bodies 142 and 143 is provided with a receiving flow path (not shown), and this receiving flow path is opened at the position of the water collecting portion 144. Further, below the water collecting part 144 of the receiving member 141, a piping part 145 is provided as a drainage channel for flowing the received liquid droplets to the storage part 64 of the casing 51.
  • the droplets flow down through the flat portion 52 a of the baffle plate 52.
  • the receiving member 141 allows each receiving member main body 142, 143 to receive this droplet.
  • the liquid droplets received by the receiving member main bodies 142 and 143 of the receiving member 141 flow downward in the inclined direction and are combined with the water collecting portions 144, and from the water collecting portions 144 to the piping portions 145. It can flow to the storage part 64 through.
  • the receiving member 141 for receiving the droplet generated by the collision of the exhaust gas with the baffle plate 52 is provided, and the droplet received by the receiving channel 141 is received.
  • a piping part 145 is provided as a drainage channel that flows from the water collecting part 135 to the storage part 64 below the casing 51.
  • the droplets adhering to the baffle plate 52 flow down the flat portion 52a of the baffle plate 52 due to their own weight and are received by the receiving member 141, and the droplets received by the receiving member 141 are transferred from the water collecting portion 144 to the piping portion. It flows to the storage part 64 through 145, and it is possible to prevent the liquid droplets from being properly drained and contact with the exhaust gas flowing through the upstream flow path 63.
  • the droplets received by the receiving member 141 in the drainage channel are used as the piping unit 145 that communicates from the water collection unit 144 to the storage unit 64, so that the generated droplets are caused to flow to the storage unit 64 by the piping unit 145. The contact between the generated droplet and the exhaust gas flowing through the upstream flow path 63 can be prevented.
  • FIG. 14 is a longitudinal sectional view showing a demister unit of the fourth embodiment
  • FIG. 15 is a longitudinal sectional view showing an inlet portion of the demister unit.
  • symbol is attached
  • the demister unit 150 includes a casing 51, a baffle plate 52, a porous plate 53, a demister support plate 54, a demister body 55, and a receiving member. 151. Since the casing 51, the baffle plate 52, the porous plate 53, the demister support plate 54, and the demister main body 55 have the same configuration as in the first embodiment, the description thereof is omitted.
  • the receiving flow channel 151 receives a droplet generated when the exhaust gas introduced into the casing 51 from the inlet 61 collides with the baffle plate 52.
  • the receiving member 151 is provided in the lower part of the baffle plate 52 in the vertical direction.
  • Each receiving member 151 includes a bottom portion 152 and both side portions 153 and 154 provided along the flow direction of the droplet.
  • the bottom portion 152 is disposed horizontally below the baffle plate 52 so as to be orthogonal to the flat surface portion 52 a, and the both side portions 153, 154 are formed vertically so that the lower end portions are orthogonal to the respective side portions of the bottom portion 152. Closely fixed. Therefore, in the receiving member 151, a receiving flow path 155 that forms a U-shaped cross section and extends in the left-right direction in the baffle plate 52 is formed by the bottom portion 152 and both side portions 153 and 154.
  • the receiving member 151 will be arrange
  • the droplets flow down through the flat portion 52 a of the baffle plate 52.
  • the receiving member 151 can receive the liquid droplet in which the receiving flow path 155 flows from the lower end portion of the baffle plate 52. Then, the droplets received by the receiving channel 155 of the receiving member 151 can flow from the drain channels 157 and 158 to the storage unit 64.
  • the receiving member 151 for receiving the liquid droplets generated by the collision of the exhaust gas with the baffle plate 52 is provided in the lower portion of the baffle plate 52 in the vertical direction.
  • the liquid droplets generated by the exhaust gas colliding with the baffle plate 52 flow down the flat portion 52a of the baffle plate 52 due to their own weight and are received by the receiving member 151, so that the exhaust gas flowing through the upstream flow path 63 flows.
  • the droplets are not taken in again as mist, and the mist removed from the exhaust gas is prevented from being taken into the exhaust gas again.
  • the mist removal efficiency can be improved.
  • the receiving member 151 is provided below the baffle plate 52, the droplets can be received effectively.
  • the receiving member in the first to third embodiments, is inclined, and in the fourth embodiment, the receiving member is horizontal, but the receiving member of the present invention is horizontal. Any of inclination may be sufficient and you may make it incline partially.
  • the shape of the casing 51 and the positions of the inlet portion 61 and the outlet portion 62 are not limited to the embodiments, and any one may be used as long as the inlet portion 61 and the baffle plate 52 face each other. It may be the position. Moreover, although the baffle plate 52 is arranged along the vertical direction, it may be inclined.
  • the main engine is used as the marine diesel engine.
  • the marine diesel engine can be applied to a diesel engine used as a generator.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Separating Particles In Gases By Inertia (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
  • Treating Waste Gases (AREA)
PCT/JP2016/055688 2015-03-31 2016-02-25 デミスタユニット及びｅｇｒシステム WO2016158116A1 (ja)

Priority Applications (2)

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KR1020177027245A KR101991604B1 (ko) 2015-03-31 2016-02-25 데미스터 유닛 및 egr 시스템
CN201680019611.8A CN107530609B (zh) 2015-03-31 2016-02-25 除雾器单元和egr系统

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JP2015073759A JP6150835B2 (ja) 2015-03-31 2015-03-31 デミスタユニット及びｅｇｒシステム
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JP6953198B2 (ja) * 2017-06-26 2021-10-27 小島プレス工業株式会社 燃料電池用気液分離器
JP7017136B2 (ja) * 2018-10-24 2022-02-08 株式会社デンソー 車両用粉塵計測装置

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5516856U (enrdf_load_stackoverflow) * 1978-07-21 1980-02-02
JPS55133212U (enrdf_load_stackoverflow) * 1980-03-13 1980-09-20
JPS58156517U (ja) * 1982-04-09 1983-10-19 三菱樹脂株式会社 エリミネ−タ−
JPS5919515A (ja) * 1982-07-26 1984-02-01 Takaoka Kogyo Kk 気流中の飛沫状液滴を分離除去する方法と分離器
JPH0359016U (enrdf_load_stackoverflow) * 1989-10-06 1991-06-10
JPH03242214A (ja) * 1990-02-16 1991-10-29 Matsushita Electric Ind Co Ltd 気液分離装置
JP2002332919A (ja) * 2001-02-26 2002-11-22 Mitsubishi Heavy Ind Ltd 排ガス再循環システム
JP2013044456A (ja) * 2011-08-23 2013-03-04 Hitachi Appliances Inc 油分離器及び冷凍サイクル装置
WO2013092458A1 (en) * 2011-12-23 2013-06-27 Valeo Systemes Thermiques Water separator having a filter assembly
JP2013170539A (ja) * 2012-02-22 2013-09-02 Mitsubishi Heavy Ind Ltd 排ガス再循環システム
JP2014139523A (ja) * 2013-01-21 2014-07-31 Toshiba Corp 蒸気乾燥器

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4634634Y1 (enrdf_load_stackoverflow) * 1968-06-01 1971-11-30
JPS4927071U (enrdf_load_stackoverflow) * 1972-06-07 1974-03-08
JPH07178315A (ja) * 1993-12-24 1995-07-18 Babcock Hitachi Kk 排煙脱硫装置と方法
JPH08131764A (ja) 1994-11-04 1996-05-28 Babcock Hitachi Kk 湿式排ガス処理方法および装置
JPH08254160A (ja) * 1995-03-16 1996-10-01 Kawasaki Heavy Ind Ltd ディーゼル機関の排気ガス還流制御装置
JP4083072B2 (ja) * 2003-05-22 2008-04-30 株式会社タクマ 気水分離器
KR101300044B1 (ko) * 2009-03-18 2013-08-29 맨 디젤 앤드 터보 필리얼 아프 맨 디젤 앤드 터보 에스이 티스크랜드 배기가스 또는 연소 가스 재순환을 이용하는 대형 터보차지 2-행정 디젤 엔진 및 ＮＯｘ 및 매연 배출량의 감소 방법
EP2473250A2 (en) * 2009-09-04 2012-07-11 Taxon B.V. Drained coalescer
CN103041678B (zh) * 2012-12-21 2015-02-11 浙江天蓝环保技术股份有限公司 一种氨法烟气联合脱硫、脱硝的工艺及装置

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5516856U (enrdf_load_stackoverflow) * 1978-07-21 1980-02-02
JPS55133212U (enrdf_load_stackoverflow) * 1980-03-13 1980-09-20
JPS58156517U (ja) * 1982-04-09 1983-10-19 三菱樹脂株式会社 エリミネ−タ−
JPS5919515A (ja) * 1982-07-26 1984-02-01 Takaoka Kogyo Kk 気流中の飛沫状液滴を分離除去する方法と分離器
JPH0359016U (enrdf_load_stackoverflow) * 1989-10-06 1991-06-10
JPH03242214A (ja) * 1990-02-16 1991-10-29 Matsushita Electric Ind Co Ltd 気液分離装置
JP2002332919A (ja) * 2001-02-26 2002-11-22 Mitsubishi Heavy Ind Ltd 排ガス再循環システム
JP2013044456A (ja) * 2011-08-23 2013-03-04 Hitachi Appliances Inc 油分離器及び冷凍サイクル装置
WO2013092458A1 (en) * 2011-12-23 2013-06-27 Valeo Systemes Thermiques Water separator having a filter assembly
JP2013170539A (ja) * 2012-02-22 2013-09-02 Mitsubishi Heavy Ind Ltd 排ガス再循環システム
JP2014139523A (ja) * 2013-01-21 2014-07-31 Toshiba Corp 蒸気乾燥器

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JP6150835B2 (ja) 2017-06-21
JP2016193393A (ja) 2016-11-17
KR101991604B1 (ko) 2019-06-20
KR20170120684A (ko) 2017-10-31
CN107530609A (zh) 2018-01-02

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